[oe] [Angstrom-devel] Angstrom builds with prebuilt meta-toolchain output

[Michael 'Mickey' Lauer]

Richard Purdie wrote:
> This is something I experimented a bit with and wondered if anyone else
> was interested in it. I just added external-toolchain.bb to OE which
> allows a meta-toolchain generated toolchain to be used by OE instead of
> building its own.

Woot! This is very helful, thanks.

> The attached patch adds the notion of different toolchains to angstrom,
> by default it uses the one specified by the DISTRO_VERSION_MAJOR
> variable I added but with ANGSTROM_TOOLCHAIN = "external" use a
> pre-supplied toolchain.

> I don't know if Angstrom want to support this or not but this should at
> least show its possible and document how to do it. The patch shouldn't
> be committed in its current form as it needs a 2008-1 version file
> adding. Some of the PREFRERRED_VERSION statements related to the
> toolchain might also move to the toolchain definition files too but I
> have no strong opinions on that.

> I was able to generate an external toolchain and then use that to make a
> minimal-image, I haven't tested further.

> It is also I admit slightly glibc specific. We have to start somewhere
> though :).

Absolutely.

Mickey.